Schabus-Air-Treatment-Gas-detector-633970-Schabus-300222-The-Schabus-GX-B3-ext-Sensor-SE-is-a-mains-powered-gas-detector-designed-to-identify-propane-methane-butane-and-ethanol-Developed-by-Schabus-it-reliably-alerts-users-to-the-presence-of-hazardous-gases-Ideal-for-residential-or-commercial-settings-it-helps-ensure-safety-by-preventing-potential-gas-related-incidents-Schabus-300222-GX-B3-Gas-Detector-Mains-Powered-Detects-Multiple-Gases